On Fri, May 29, 2009 at 11:39:07AM +0200, Enrico g wrote: > I've been charged to develop a relay mail server in a dial-up sat > connection by my company.
You have no previous knowledge about mail infrastructure? At least parts of the mail looks this way. > 1a) This server must connect to Internet every 3 hours and fetch and > send mails for various users. > 1b) Connection must be opened by the server at the start of the > process and closed when all mails are received and sent. Use uucp. > 2a) Users can access the received mail on the server through POP > clients or webmail. postfix is no POP-server. dovecot and courier are good options. > 2b) Users can send mail through the server with SMTP clients or webmail. postfix can do that. > pop3d (is that the right name?) to serve POP at clients It is old software. In new setup it is not often used. > Have to find out how to manage virtual users (I saw a couple of tools > here and there), because I don't want 'mail user' = 'nix user' hä? > However there is the possibilities of a power loss, possibly resulting > in a "missing call" by cron. Use an UPS. > Anacron is supposed to help in these but can it manage every-3-hours > jobs? Have to check... What problem are you trying to solve, which is not possible via a fixed 3 hours shedule? > In the case I will use postfix, how can I check out when it has > finished sending mail to Internet (to close dialup connection)? You can't if you use SMTP. > Both qmail and postfix have modules to serve mail boxes using POP3 so > no problems here None have that. > Here comes a big question. I want a MTA that can receive mail from > clients using SMTP and send those "big bag of mails" using server > smtp.domain.net instead of take care to distribute every single mail. > Can postfix do this? and how? Äh, beginners documentation? It is listed in the first part of the documentation: http://www.postfix.org/BASIC_CONFIGURATION_README.html > So I have this strange question: > I'm user u...@domain.net I doubt that you are equal to the Wayneco Heavy Industries LLC, which is registrant for domain.net. Maybe you mean u...@example.com. > Why this? Because as I said the mail provider we use require > authentication, so my intention where to use one account to access > SMTP server and from there leave the "big bag of mail" to the SMTP > server of the mail provider, instead of opening different connection > for every single user. This SMTP services are often not usable as frontend of a full featured mail setup. Bastian -- Pain is a thing of the mind. The mind can be controlled. -- Spock, "Operation -- Annihilate!" stardate 3287.2
